Hemant's fight against tobacco has continued since his school days. Continuing his strong actions against tobacco has produced encouraging results. Remarkable among the results is churning the city-state of Chandigarh as the first city-state in the emerging world to be smoke-free.The success of smoke-free Chandigarh has been made into a documentary film entitled Change Catalyst – Creating Smoke-Free Cities. The innovative strategies used by Hemant and the success story of 'Smoke-Free Chandigarh' has also been used by WHO to develop an international best practice guidebook on making cities smokefree. Hemant was also the lead author and investigator of the WHO and Ministry of Health (India) research study on 'Tobacco in Movies and its Impact on Youngsters. This study by Hemant Goswami is used by theGovernment of India to justify the 2005 enacted delegated legislation prohibiting the use of tobacco in movies.